A Standard Clause setting out a sample legal argument disputing a likelihood of confusion claim for use by an alleged infringer in a case where Fifth Circuit law applies. It includes case support and can be incorporated into legal briefs supporting court filings, opinion memoranda for clients, cease and desist correspondence, or any other substantive documents addressing the likelihood of confusion issue. This Standard Clause has integrated drafting notes with important explanation and drafting tips and must be modified to fit the circumstances of the allegedly infringing use and the facts of the case.